primes

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Calculating Extremely Large Powers of 2

I have made a program in Java that cal开发者_Python百科culates powers of two, but it seems very inefficient. For smaller powers (2^4000, say), it does it in less than a second. However, I am looking a[详细]

2023-01-23 08:37 分类：问答
Implementation of Fermat's primality test

Who wants to help me with my homework? I\'m try to implement Fermat\'s primality test in Java using BigIntegers. My implementation is as follows, but unfortunately it doesn\'t work.Any ideas?[详细]

2023-01-22 06:29 分类：问答
Prime test, 2-digit numbers

I want to print all prime numbers that are 2-digits long. Here is my code: for(int input = 11; input <= 99; input += 2){[详细]

2023-01-22 02:21 分类：问答
BigIntegers to the power of BigIntegers

I am trying to implement either the Fermat, Miller-Rabin, or AKS algorithm in Java using the BigInteger class.[详细]

2023-01-21 21:18 分类：问答
My Sieve of Eratosthenes takes too long

I have implemented Sieve of Eratosthenes to solve the SPOJ problem PRIME1. Tho开发者_运维问答ugh the output is fine, my submission exceeds the time limit. How can I reduce the run time?[详细]

2023-01-19 07:19 分类：问答
Sieve of Eratosthenes in Haskell

I\'m solving some classic problems in Haskell to develop my functional skills and I have a problem to implement an optimization suggested at this \"Programming Praxis\" site:[详细]

2023-01-19 01:41 分类：问答
Segmentation fault in Prime Number generator

I am aware the following isn\'t the fastest way of generating a list of primes however I posed myself the problem and before googling wrote the following program. It works fine for numbers < ~ 44,0[详细]

2023-01-18 23:34 分类：问答
Finding the nth prime number using Python

When I run this code, even for just counting to the 10th prime number (instead of 1000) I get a skewed/jacked output--all \"not prime\" titles for my is_composite variable, my test_num is giving me pr[详细]

2023-01-18 23:27 分类：问答
Are You A Prime Number

I\'ve been interested in the problem of finding a better prime number recognizer for years.I realize this is a huge area of academic research and study - my interest in this is really just for fun.Her[详细]

2023-01-18 01:44 分类：问答
Generate a list of primes up to a certain number

I\'m trying to generate a list of primes below 1 billion.I\'m trying this, but this kind of structure is pretty shitty.Any suggestions?[详细]

2023-01-17 17:20 分类：问答